package jdbc;

import java.sql.*;

public class JDBCDemo7 {
    public static void main(String[] args) {
        try(Connection connection = DBUtil.getConnection();) {
            String sql ="SELECT id,username,password,nickname "+
                    "FROM user "+
                    "WHERE username=? AND password=?";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,"黎明");
            ps.setString(2,"3762");
            ResultSet rs = ps.executeQuery();
            if(rs.next()){
                System.out.println("登录成功");
            }else{
                System.out.println("登录失败");
            }


        }catch(SQLException e){
            e.printStackTrace();
        }
    }
}
